Re: LSH - how is it for you?

[Jim Blandy]

I've encountered some bugs in Emacs with downloading diffs in the
past.  Could you verify the problem using CVS directly from the
command line?

Neil Jerram <address@hidden> writes:

> So we've been using the new CVS repository at subversions.gnu.org for
> a couple of months now, with LSH instead of SSH.  My experience is
> that the new setup
> 
> - is much slower than the old one at Red Hat, for all operations
> 
> - almost always shows incorrect diffs to me.
> 
> The first point is self-explanatory.
> 
> For the second point, here's exactly what I mean...  I like to check
> my diffs before committing by using `M-x ediff-revision' in Emacs.
> Most of my recent work has been on guile-doc/ref/scheme.texi, which is
> a _big_ file.  9 times out of 10 when I do an `M-x ediff-revision' on
> scheme.texi, what I see is
> 
> - the real diffs
> 
> - one or more big spurious diffs which can be interpreted as missing
>   chunks of text in the last committed version that was just
>   downloaded as part of `M-x ediff-revision'.
> 
> As far as I've worked out, ediff-revision downloads the last committed
> version using a command of the form `cvs update -rX.XX' - so it's
> pretty worrying if that can result in a file with missing chunks!
> 
> Sometimes I get effectively the same problem with `cvs diff' on the
> command line.  More commonly, though, I get a different problem with
> `cvs diff': the output is simply truncated in the middle of a line,
> without even a line feed character before the next shell prompt.
> 
> If I do `cvs update -rX.XX' on the command line, it (so far) works
> correctly every time.  That at least is reassuring.
> 
> So, does anyone else experience these problems, and what can we do
> about them?  I'm happy to help with the debugging effort, but I'm not
> really sure where to start.
> 
> (That said, a hypothesis has emerged from the writing of this email:
> the common link could be the behaviour of `cvs update' when its output
> is something other than just a plain file.)
> 
> In case it's relevant, I'm connecting from the UK using a PPP dialup
> connection with a 28.8 modem.
> 
> Regards,
>       Neil
> 
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